hydraulic power unit

In this article, a compact structure and energy-saving variable frequency close hydraulic power unit is introduced. The control character of this unit using PID has studied. The response characteristic of the system has improved using PID control.

针对一种结构紧凑、节能的变频闭式液压动力单元进行了PID控制特性仿真研究，采用PID控制时能改善系统的的响应特性，使系统速度和压力达到预定的控制效果。

Resolvent for False Signal of Temperature Measurement System on Hydraulic Power Unit

水电机组测温系统误发信号的解决方法

With the digital control, volume of compressive oil provided by hydraulic power unit in actuator can be regulated to modulate the test load value.

在油源设备提供一定压力油液的情况下，计算机调整输入到液压缸内的油液流量，由此控制试验载荷。